Finding a missing side

1. A rectangle has an area of 24 square units and is 4 units long. How wide is it?

Answer:

2. A rectangle has an area of 35 square units and one side of 5 units. How long is the other side?

• 6
• 7
• 8
• 30

3. A square has an area of 49 square units. How long is each side?

Answer:

4. A rug has an area of 40 square feet and is 8 feet long. How wide is it?

• 4 feet
• 5 feet
• 6 feet
• 32 feet

5. A rectangle has an area of 18 square units and is 2 units wide. How long is it?

Answer:

6. If you know the area and one side of a rectangle, you can work out the other side.

• True
• False

7. A square has an area of 36 square units. How long is each side?

Answer:

8. A garden has an area of 54 square metres and is 9 metres long. How wide is it?

• 5 metres
• 6 metres
• 7 metres
• 45 metres

9. A rectangle has an area of 28 square units and is 7 units long. How wide is it?

Answer:

10. To find a missing side from the area, what do you do?

• Divide the area by the side you know
• Multiply the area by the side
• Add the area and the side
• Take the side away from the area